Dynaco ST-120 Impedance Concern Martin Logan - diyAudio
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Old 10th January 2014, 09:39 AM   #1
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Join Date: Oct 2013
Location: Nort of Tampa Florida USA
Default Dynaco ST-120 Impedance Concern Martin Logan

so far so good on this amp. The original rectifier tube is still working well, got about 30 hours on it so far.

I'm going to hook up this amp to Martin Logan Electrostatic panel "ONLY". The Monolith III panels without the woofer. I'll use an active crossover such that the ST120 will see nothing below 125Hz. The ML ESL panel is rated at 4 Ohms but there's warnings that this panel will drop to 1 Ohm at some frequencies.

do you feel the ST120 can handle this sort of configuration ? Anything I should modify or do differently to make it work better with this 4 Ohm ML ESL?

Martin logan website says that 4 ohm tube amps that can double their power when the Ohms drop to 2 Ohm have what it takes and work well on Martin Logan.

Does the ST-120 double its Watt output when the impedance of the speakers drops to half?

kind thanks,
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